Simple tricks teach you how to tell whether a plant has rotten roots or not.

Potted flowers and trees are often easy to cause rotten roots due to uncontrolled watering, improper fertilization, poor management and other reasons, so that the flowers and trees carefully cultivated for years or even decades will be destroyed, which is really heartbreaking.

If accurate diagnosis can be made in the early and middle stages of rotting roots, and effective measures can be taken, the death of some flowers and trees can be avoided.

The method of judging the rotten roots of plants

1. Look at the basin soil

In summer and autumn, flowers and trees with normal growth are watered once a day in sunny weather, and the potted soil is checked at the same time the next day. If the potted soil is dry and white, the root system is normal; if the potted soil is not dry and white, and is still in a wet state, it shows that the root of the plant has rotted; if it is still wet for 2 or 3 days, it means that most of the root system of the plant has rotted.

two。 Look at the leaf color

If there are several pots of flowers and trees of the same kind and put them together, if it is found that the leaves of one of them are green and dull, gray-white, or the leaves of the plants are wilting, or the lower leaves turn yellow and fall off in large quantities in the non-leaf-changing season, it shows that the nutrient fibrous roots of the plants have rotted roots due to stagnant water, fertilization or excessive drought.

3. Look at the leaf shape

The leaves of potted flowers and trees are longitudinally wrinkled and deformed, which also indicates that the root system of the plant has rotted, which mainly appears in the fleshy root flower species, such as orchid, gentleman orchid and so on. Due to the decay of the lower vegetative root system, the part of the connected leaves can not get the proper water and nutrients, which stops growing or even shrinks, and the growth is out of sync, resulting in longitudinal folds and deformities of the leaves. Although this situation does not cause plant death, it will also affect the normal growth and ornamental of the plant.

4. Look at the leaf tip.

Some species of flowers and trees will become scorched at the front of the leaves after being planted for a period of time, which is caused by two reasons.

First, because the root tip of the plant stretched against the basin wall and watered under the condition of high air temperature and soil temperature, the part of the succulent root tip performing nutritional function was damaged and rotted, so that water and nutrients could not be transported to the leaf tip, causing partial necrosis of the leaf tip.

Another situation is that the plant is small and the pot soil is in a state of stagnant water for a long time, resulting in root rot and loss of nutritional function, and yellowish-brown patches appear in the middle or edge of leaves, then the possibility of disease should be considered.

5. By the feeling of hand

Some flowers or stumps, such as five-needle pine, cypress, Luohan pine, orchid, camellia, etc., can be judged by hand when they are found to be abnormal in leaf color.

For plants whose leaves are lifeless due to root rot, the fingertips feel dry and warm, without the moist and cool feel of normal leaves. From this, it can be concluded that the root system has rotted and is on the verge of death.

Remedial measures after rotting roots

When it is judged that the rotten root of the plant has occurred, the following rescue measures should be taken: remove the plant from the flowerpot, pick out the outer living soil, find out the rotten root, cut the rotten root from its base with scissors, and then disinfect the wound with 0.1% potassium permanganate solution, or apply clean plant ash to the wound, and then change the pot or plant again.

The seriously damaged part of the wound and root system should be filled with clean wet sand and covered with clean cultivation soil to promote the germination of new roots in the wound.

When changing the basin, the branches and leaves should be pruned intensively, sometimes 80% or 90% of the branches and leaves should be cut off in order to ensure their survival.

In the process of restoring the growth of the plant, it is necessary to keep the basin soil moist, spray water on the dry branches frequently, put an end to fertilization, and do not let the basin soil be drenched in the rain, so as to prevent the roots from rotting again.